Low Cycle Fatigue Behavior of Cast Superalloy Inconel 713LC with Al Coating at 800 °C

Karel Obrtlík; Simona Hutařová; Martin Juliš; Tomáš Podrábský; Jaroslav Polák

doi:10.4028/www.scientific.net/KEM.452-453.265

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 452-453Low Cycle Fatigue Behavior of Cast Superalloy...

Low Cycle Fatigue Behavior of Cast Superalloy Inconel 713LC with Al Coating at 800 °C

Abstract:

Cylindrical specimens of Inconel 713LC in as-cast condition and with Al diffusion coating by the CVD technique were cyclically strained under total strain control at 800 °C. Hardening/softening curves, cyclic stress-strain curves, and fatigue life curves are obtained. The coating has a beneficial effect on the Manson-Coffin curve while the fatigue life is reduced in the Basquin representation. The stress response of the coated material is lower in comparison with the uncoated one. Sections parallel to the specimen axis have been examined to study fatigue damage mechanisms.

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Periodical:

Key Engineering Materials (Volumes 452-453)

Pages:

265-268

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.452-453.265

Citation:

Cite this paper

Online since:

November 2010

Authors:

Karel Obrtlík, Simona Hutařová, Martin Juliš, Tomáš Podrábský, Jaroslav Polák

Keywords:

Cyclic Hardening Curve, Cyclic Softening Curve, Cyclic Stress-Strain Curve, Diffusion Coating, Fatigue Life, High Temperature Fatigue, Inconel 713LC, Low Cycle Fatigue

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